01 -
Preheat the oven to 200°C (400°F) and grease a muffin tin.
02 -
In a mixing bowl, beat the eggs and mix in the sour cream until well combined.
03 -
Add the shredded cheddar cheese, Parmesan cheese, chopped chives, and a pinch of salt to the egg mixture. Mix thoroughly.
04 -
Gently fold in the mashed potatoes, ensuring the mixture is evenly combined.
05 -
Spoon the mixture into the greased muffin tin, filling each cup to the top.
06 -
Bake in the preheated oven for 20-25 minutes, or until the tops are golden brown and puffed up.
07 -
Allow the potato puffs to cool slightly before carefully removing them from the muffin tin. Serve warm.